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<div class="title">Qwt - Qt Widgets for Technical Applications </div>  </div>
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<div class="contents">
<div class="toc"><h3>Table of Contents</h3>
<ul><li class="level1"><a href="#license">License</a></li>
<li class="level1"><a href="#platforms">Platforms</a></li>
<li class="level1"><a href="#changelogonmainpage">What&#39;s new</a></li>
<li class="level1"><a href="#screenshotsonmainpage">Screenshots</a></li>
<li class="level1"><a href="#downloads">Downloads</a></li>
<li class="level1"><a href="#installonmainpage">Installation</a></li>
<li class="level1"><a href="#support">Support</a></li>
<li class="level1"><a href="#relatedprojects">Related Projects</a></li>
<li class="level1"><a href="#donations">Donations</a></li>
<li class="level1"><a href="#credits">Credits</a></li>
</ul>
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<div class="textblock"><p>The Qwt library contains GUI Components and utility classes which are primarily useful for programs with a technical background. Beside a framework for 2D plots it provides scales, sliders, dials, compasses, thermometers, wheels and knobs to control or display values, arrays, or ranges of type double.</p>
<div class="image">
<img src="plot.png" alt="plot.png"/>
</div>
<h1><a class="anchor" id="license"></a>
License</h1>
<p>Qwt is distributed under the terms of the <a class="el" href="qwtlicense.html">Qwt License, Version 1.0</a>.</p>
<h1><a class="anchor" id="platforms"></a>
Platforms</h1>
<p>Qwt 6.1 might be usable in all environments where you find <a href="https://www.qt.io">Qt</a>. It is compatible with Qt4 ( &gt;= 4.4 ) and all Qt5 versions.</p>
<h1><a class="anchor" id="changelogonmainpage"></a>
What's new</h1>
<p>Read the <a class="el" href="qwtchangelog.html">summary</a> of the most important changes.</p>
<h1><a class="anchor" id="screenshotsonmainpage"></a>
Screenshots</h1>
<ul>
<li><a class="el" href="curvescreenshots.html">Curve Plots</a><br />
</li>
<li><a class="el" href="spectrogramscreenshots.html">Spectrogram, Contour Plot</a><br />
</li>
<li><a class="el" href="barchartscreenshots.html">Bar Charts, Histograms</a><br />
</li>
<li><a class="el" href="otherscreenshots.html">Other Plots</a><br />
</li>
<li><a class="el" href="controlscreenshots.html">Dials, Compasses, Knobs, Wheels, Sliders, Thermos</a><br />
 </li>
</ul>
<h1><a class="anchor" id="downloads"></a>
Downloads</h1>
<p>Stable releases or prereleases are available at the Qwt <a href="http://sourceforge.net/projects/qwt/files">project page</a>.</p>
<p>For getting a snapshot with all bugfixes for the latest 5.2 release: </p><div class="fragment"><div class="line">svn export svn:<span class="comment">//svn.code.sf.net/p/qwt/code/branches/qwt-5.2 </span></div></div><!-- fragment --><p>For getting a snapshot with all bugfixes for the latest 6.1 release: </p><div class="fragment"><div class="line">svn export svn:<span class="comment">//svn.code.sf.net/p/qwt/code/branches/qwt-6.1 </span></div></div><!-- fragment --><p>For getting a development snapshot from the SVN repository: </p><div class="fragment"><div class="line">svn export svn:<span class="comment">//svn.code.sf.net/p/qwt/code/trunk/qwt </span></div></div><!-- fragment --><h1><a class="anchor" id="installonmainpage"></a>
Installation</h1>
<p>Qwt doesn't distribute binary packages, but today all major Linux distributors offer one. Note, that these packages often don't include the examples.</p>
<p>When no binary packages are available ( f.e. on Windows ) Qwt needs to be <a class="el" href="qwtinstall.html">compiled and installed</a> on the target system.</p>
<h1><a class="anchor" id="support"></a>
Support</h1>
<ul>
<li>Mailing list<br />
 For all kind of Qwt related questions use the Qwt <a href="http://sourceforge.net/mail/?group_id=13693">mailing list</a>.<br />
 If you prefer newsgroups use the mail to news gateway of <a href="http://dir.gmane.org/gmane.comp.graphics.qwt.general">Gmane</a>.</li>
<li>Forum<br />
 <a href="http://www.qtcentre.org">Qt Centre</a> is a great resource for Qt related questions. It has a sub forum, that is dedicated to Qwt related questions.</li>
<li>Individual support<br />
 If you are looking for individual support, or need someone who implements your Qwt component/application contact <a href="#" onclick="location.href='mai'+'lto:'+'sup'+'po'+'rt@'+'qw'+'t-p'+'ro'+'jec'+'t.'+'org'; return false;">suppo<span style="display: none;">.nosp@m.</span>rt@q<span style="display: none;">.nosp@m.</span>wt-pr<span style="display: none;">.nosp@m.</span>ojec<span style="display: none;">.nosp@m.</span>t.org</a>. Sending requests to this address without a good reason for not using public support channels might be silently ignored.</li>
</ul>
<h1><a class="anchor" id="relatedprojects"></a>
Related Projects</h1>
<p><a href="http://qwtpolar.sourceforge.net">QwtPolar</a>, a polar plot widget.<br />
 <a href="http://qwtplot3d.sourceforge.net">QwtPlot3D</a>, an OpenGL 3D plot widget.<br />
 <a href="https://github.com/GauiStori/PyQt-Qwt">PyQt-Qwt</a>, Python PyQt wrapper for Qwt.<br />
 </p>
<h1><a class="anchor" id="donations"></a>
Donations</h1>
<p>Sourceforge offers a <a href="http://sourceforge.net/docman/display_doc.php?docid=20244&amp;group_id=1">Donation System</a> via PayPal. You can use it, if you like to <a href="http://sourceforge.net/project/project_donations.php?group_id=13693">support</a> the development of Qwt.</p>
<h1><a class="anchor" id="credits"></a>
Credits</h1>
<dl class="section user"><dt>Authors: </dt><dd>Uwe Rathmann, Josef Wilgen ( &lt;= Qwt 0.2 ) </dd></dl>
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